Google: Keep Your Robots.txt Simple
A Google Webmaster Help thread has Google's John Mueller responding to some complex robots.txt questions.
In that, he strongly recommends that when you do set up a robots.txt file, make sure you keep it very simple. John said:
When possible...

Google Webmaster Academy Adds More Languages
Google's Giacomo Gnecchi Ruscone announced they have expanded the number of languages supported in Google Webmaster Academy to twenty.
Google Webmaster Academy launched in May 2012 and according to Google...